Asked by Dominique

prove that tanA divided by the sinA equals the secA

12 years ago

Answered by Reiny

tanA = sinA/cosA

so tanA / sinA
= (sinA/cosA)/sinA
= 1/cosA
= secA

12 years ago

Answered by NIKITA

(sinA/cosA)/ sinA
= 1/cosA
= secA

10 years ago

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